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  1. Exhaust And Headers
    So I've already bit the bullet, my parts are on the way, but I'm just curious what everyone's experience has been with tuning their 400 and if it was worth it to you? What kind of measurable performance gains did you see? Acceleration, top end power, etc. One thing that really makes me want the...
  2. Engine and Technical Discussion
    Even though I got a Power Commander V, I originally wanted to get a FTECU bike tuning kit. I want the option of being able to adjust more than the PCV (or any other piggyback style fuel controllers) can do. The problem is that I have a 2021 Ninja 400 ABS, according to FTECU they work with...
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